The correct answer is I arrived at school at 7 in the morning.
Explanation:
The verb tense used in this exercise is the past simple. The past simple helps us describe an action that began and ended at a specific time in the past. In this case, at 7 in the morning.
The conjugation of regular verbs in the past, in Spanish is done as follows:
El objetivo de las cuerdas en la orquesta es conocer los registros y características sonoras de los instrumentos de la familia de instrumentos de cuerdas, así como su identificacion